Inon Mega Float Arm MA Flash arm for Flash Strobe Torce Illuminatori Other With the possibility of fixing Holders for lenses or other accessories The accessories applicable to the embers who are seen in the photos are not included Buoyancy:650g (22.9oz) [Underwater] Weight: 295g (10.4oz) [Air] Outer diameter: 97mm (3.8in) Full Length: 224mm (8.8in) Effective Length: 200mm (7.9in) Compatible Accessory: Lens Holder for Float Arm, Shoe Base Spacer .
eBay